Fragmentation of Necklike Structures

C. P. Montoya, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
W. G. Lynch, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
D. R. Bowman, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
Graham F. Peaslee, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State UniversityFollow
N. Carlin, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
R. T. de Souza, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
C. K. Gelbke, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
W. G. Gong, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
Y. D. Kim, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
M. A. Lisa, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
L. Phair, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
M. B. Tsang, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
J. B. Webster, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
C. Williams, National Superconducting Cyclotron Laboratory and Department of Physics Astronomy Michigan State University
N. Colonna, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory
K. Hanold, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory
M. A. McMahan, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory
G. J. Wozniak, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory
L. G. Moretto, Nuclear Science Division and Accelerator and Fusion Research Division, Lawrence Berkeley Laboratory

Document Type

Article

Publication Date

12-5-1994

Publication Source

Physical Review Letters

Volume Number

73

Issue Number

23

First Page

3070

Last Page

3073

Publisher

American Physical Society

Abstract

Intermediate mass fragment (IMF: 3≤Z≤20 emission from necklike structures joining projectilelike and targetlike residues has been observed for peripheral Xe129 + Cunat collisions at EA=50 MeV. These fragments are emitted primarily at velocities between those of the projectilelike and targetlike residues. Relative to the charge distribution of fragments evaporated from projectilelike residues, the distribution for "neck" emission shows an enhanced emission for fragments with 4≤ZIMF≤12. This feature is consistent with expectations for the fragmentation of a noncompact cylindrical configuration.

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